Abstract
In this paper, we present a novel non-iterative coordinated beamforming algorithm for overlaid multicell coordinated beamforming systems where a macro base station acts as an anchor and computes the beamforming vectors. We propose beamforming vector design that improves the received signal-to-interference-plus-noise-ratio while reducing the computational complexity. We also show its asymptotic behaviors with respect to the number of antennas, confirming that the proposed solutions are useful for large-scale multiple-input multiple-output systems in heterogeneous and small cell networks.
Original language | English |
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Pages (from-to) | 763-775 |
Number of pages | 13 |
Journal | Wireless Personal Communications |
Volume | 112 |
Issue number | 2 |
DOIs | |
State | Published - 1 May 2020 |
Bibliographical note
Funding Information:The authors would like to thank Dr. Insoo Hwang for discussion and constructive comments. This work was supported in part by the Institute of Information & Communications Technology Planning & Evaluation (IITP) through the Korea Government (MSIT) (Supervised Agile Machine Learning Techniques for Network Automation based on Network Data Analytics Function) under Grant 2019-0-00024, and in part by the National Research Foundation of Korea (NRF) through the Korea Government (MSIT) under Grant NRF-2020R1A2B5B01002528.
Funding Information:
The authors would like to thank Dr. Insoo Hwang for discussion and constructive comments. This work was supported in part by the Institute of Information & Communications Technology Planning & Evaluation (IITP) through the Korea Government (MSIT) (Supervised Agile Machine Learning Techniques for Network Automation based on Network Data Analytics Function) under Grant 2019-0-00024, and in part by the National Research Foundation of Korea (NRF) through the Korea Government (MSIT) under Grant NRF-2020R1A2B5B01002528.
Publisher Copyright:
© 2020, Springer Science+Business Media, LLC, part of Springer Nature.
Keywords
- Coordinated beamforming
- Heterogeneous networks
- Interference alignment
- Joint processing
- Multi-cell system
- Multi-user MIMO